Manual Agilent Technologies 5951-2826

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  • Agilent Technologies 5951-2826 - page 1

    Operating Manual A gilent Technol ogies Single I nput Electronic Load Family A gilent Part No. 5951-2826 Printed in USA : Oct ober, 1997 Microf iche Part No. 5951-2827 Updated: April, 2000 ...

  • Agilent Technologies 5951-2826 - page 2

    2 CERTIFICATION Agilent Technologies. certifies that this product met its published specifications at time of shipment from the factory. Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Bureau of Standards, to the extent allowed by the Bureau’s calibration facility, and to the ca ...

  • Agilent Technologies 5951-2826 - page 3

    3 SAFETY SUMMARY The following general safety precautions must be observed during all phases of operation, service, and repair of this instrument. Failure to comply with these precautions or w ith specific warnings elsewhere in this manual violates safety standards of design, m anufacture, and intended use of the instrument. Agilent Technologies as ...

  • Agilent Technologies 5951-2826 - page 4

    4 SAFETY SUMMARY (continued) GENERAL Any LEDs used in this product are Class 1 LEDs as per IEC 825-l. ENVIRONMENTAL CONDITIONS This instruments is intended for indoor use in an installation category II, pollution degree 2 environment. It is designed to operate at a maximum relative humidity of 95% and at altitudes of up to 2000 meters. Refer to the ...

  • Agilent Technologies 5951-2826 - page 5

    5 DECLARATION OF CONFORMITY according to ISO/IEC Guide 22 and EN 45014 Manufacturer’s Name : Agilent Technologies, Inc. Manufacturer’s Address: New Jersey Division 150 Green Pond Road Rockaway, NJ 07866 U.S.A. declares that the product Product Name: Electronic Load Model Number(s): Agilent 6060B, Agilent 6063B conform(s) to the following Produc ...

  • Agilent Technologies 5951-2826 - page 6

    6 Table of Contents 1. General Information What’s in this Manua l ...................................................................................................... . ........................ . 9 Reader Pat h ................................................................................................................ . .................... ...

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    7 Table of Contents (continued) Controller Connectio n ...................................................................................................... . ........................ .39 GPIB Connecto r .......................................................................................................... . .......................... .39 GPIB ...

  • Agilent Technologies 5951-2826 - page 8

    8 Table of Contents (continued) Calibration Command s ....................................................................................................... . ...................... . 76 Calibration Flowchart s ..................................................................................................... . ........................ . 77 Exam ...

  • Agilent Technologies 5951-2826 - page 9

    General Information 9 1 General Information What’s In This Manual This chapter contains specifications that apply to the Single Input Electronic Load Family as well as information concerning options and safety requirements. The remaining chapters in this manual contain instructions for installing, operating, programming, and calibrating the Elect ...

  • Agilent Technologies 5951-2826 - page 10

    10 General Information Safety Requirements This product is a Safety Class 1 instrument, which means that it is provided with a protective earth ground terminal. This terminal must be connected to an ac source that has a 3-wire ground receptacle. Review the instrument rear panel and this manual for safety markings and instructions before operating t ...

  • Agilent Technologies 5951-2826 - page 11

    General Information 11 Table 1-1. Specifications (continued) DERATED CURRENT DETAIL 6060B 6063B CONSTANT CURRENT MODE Ranges Low Range: 0 to 6 A 0 to 1 A High Range: 0 to 60 A 0 to 10 A Accuracy (after 30 sec wait): ± 0.1% ± 75 mA ± 0.15% ± 10 mA both ranges both ranges Regulation: 10 mA both ranges 8 mA both ranges CONSTANT RESISTANCE MODE Ran ...

  • Agilent Technologies 5951-2826 - page 12

    12 General Information Table 1-1. Specifications (continued) TRANSIENT CURRENT LEVEL Ranges Low Range: 0 to 6 A 0 to 1 A High Range: 0 to 60 A 0 to 10 A Accuracy Low Range: ± 0.1% ± 80 mA ± 0.18% ± 13 mA High Range: ± 0.1% ± 350 mA ± 0.18% ± 50 mA 6060B 6063B TRANSIENT RESISTANCE LEVEL Ranges Low Range: 0.033 to 1 Ω 0.20 to 24 Ω Middle ...

  • Agilent Technologies 5951-2826 - page 13

    General Information 13 Table 1-2. Supplemental Characteristics 6060B 6063B CONSTANT CURRENT MODE Resolution Low Range: 1.6 mA 0.26 mA High Range: 16 mA 2.6 mA Temperature Coefficient 100 ppm/ ° C ± 5 mA/ ° C 150 ppm/ ° C ± 1 mA/ ° C both ranges both ranges CONSTANT RESISTANCE MODE Resolution Low Range: 0.27 m Ω 6 m Ω Middle Range: 0.27 mS ...

  • Agilent Technologies 5951-2826 - page 14

    14 General Information Table 1-2. Supplemental Characteristics (continued) 6060B 6063B VOLTAGE READBACK Resolution: 17 mV (via GPIB) 67 mV (via GPIB) 20 mV (front panel) 100 mV (front panel) Temperature Coefficient: 50 ppm/ ° C ± 1.2 mV/ ° C 100 ppm/ ° C ± 8 mV/ ° C Maximum Readback Capability : 65 to 70 V (typical) 260 V (typical) EXTERNAL A ...

  • Agilent Technologies 5951-2826 - page 15

    General Information 15 Table 1-2. Supplemental Characteristics (continued) Fuse : The ac input is protected by a fuse located in a module on the rear panel; 0.5AM for l00/120 Vac input; 0.25AM for 220/240 Vac input. Maximum VA: 60 Peak Inrush Current: 2.5 A (typical) PROGRAMMABLE SLEW RATE: (For any given input transition, the time required will be ...

  • Agilent Technologies 5951-2826 - page 16

    16 General Information Table 1-2. Supplemental Characteristics (continued) Voltage Slew Rate: 6060B (0 to 60V) 6063B (0 to 240V) Transition Rate # Voltage Step Voltage Step Time* 1 1 V/ms 4 V/ms 8.0 ms 2 2.5 V/ms 10 V/ms 3.2 ms 3 5 V/ms 20 V/ms 1.6 ms 4 10 V/ms 40 V/ms 800 µ s 5 25 V/ms 100 V/ms 320 µ s 6 50 V/ms 200 V/ms 160 µ s 7 0.1 V/ µ s 0 ...

  • Agilent Technologies 5951-2826 - page 17

    General Information 17 Table 1-2. Supplemental Characteristics (continued) SOURCE TURN-ON CURRENT OVERSHOOT (In CC and CR modes when connected to power supplies with voltage rise times of greater than 500 µ s) 6060B 6063B <10% <5% PROGRAMMABLE SHORT CIRCUIT 0.033 ohm (0.02 ohm typ) 0.20 ohm (0.10 ohm typ) PROGRAMMABLE OPEN CIRCUIT 20 k (typi ...

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    Operation Overview 19 2 Operation Overview Introduction The Electronic Load is used for design, manufacturing, and evaluation of dc power supplies, batteries, and power components. The primary operating features of the Electronic Load are: constant current (CC) mode, constant voltage (CV) mode, or constant resistance (CR) mode. The input can also b ...

  • Agilent Technologies 5951-2826 - page 20

    20 Operation Overview Local/Remote Control Local (front panel) control is in effect immediately after power is applied. The front panel keypad and display allow manual control when the Electronic Load is used in bench test applications. Remote (computer) control goes into effect (front panel Rmt annunciator is on) as soon as the Electronic Load rec ...

  • Agilent Technologies 5951-2826 - page 21

    Operation Overview 21 Figure 2-1. Constant Current Mode Immediate Current Level The current level can be set at the front panel ( and ENTRY keys) or via the GPIB ( CURR command). If the CC mode is the active mode, the new setting immediately changes the input at a rate determined by the slew setting (described below). If the load is not in the CC m ...

  • Agilent Technologies 5951-2826 - page 22

    22 Operation Overview Slew Rate Slew rate determines the rate at which the input level changes to a new programmed value. Slew rate can be set at the front panel ( , and ENTRY keys) or via the GPIB ( CURR:SLEW command). This slew rate remains in effect for the immediate, triggered, and transient level changes previously described. There are 12 disc ...

  • Agilent Technologies 5951-2826 - page 23

    Operation Overview 23 Triggered Resistance Level The resistance level can be preset (stored in the Electronic Load) allowing the input level to change when a trigger is received instead of immediately as previously described. The resistance level can only be preset via the GPIB ( RES:TRIG command). The preset capability is not available at the fron ...

  • Agilent Technologies 5951-2826 - page 24

    24 Operation Overview Immediate Voltage Level The voltage level can be set at the front panel ( and ENTRY keys) or via the GPIB ( VOLT command). If the CV mode is the active mode, the new setting immediately changes the input level at a rate determined by the voltage slew setting. If the load is not in the CV mode, the new setting is saved for use ...

  • Agilent Technologies 5951-2826 - page 25

    Operation Overview 25 For example, assume that the CC mode is active, the slew rate is at the default setting (maximum rate), and the applicable transient operation parameters have been set as follows: HPSL Command TRAN:MODE CONT CURR 5 CURR:TLEV 10 TRAN:FREQ 1000 TRAN:DCYC 40 TRAN ON Description Sets continuous operation. Sets main current level t ...

  • Agilent Technologies 5951-2826 - page 26

    26 Operation Overview HPSL Command Description TRIG:SOUR EXT Selects the external trigger input. TRAN:MODE PULS Selects pulsed transient operation. CURR 5 Sets main current level to 5 amps. CURR:TLEV 10 Sets transient current level to 10 amps. TRAN:TWID .001 Sets pulse width to 1 millisecond. TRAN ON Turns on transient operation. Figure 2-5 shows t ...

  • Agilent Technologies 5951-2826 - page 27

    Operation Overview 27 Figure 2-6 shows the waveform that would result for this toggled transient operation example. Operation is similar to that described for continuous and pulse operation, except that each time a trigger is received the input alternates between the main and transient current levels. Figure 2-6. Toggled Transient Operation Trigger ...

  • Agilent Technologies 5951-2826 - page 28

    28 Operation Overview In cases where the transition from one setting to another is large, the actual transition time can be calculated by dividing the voltage or current transition by the slew rate. The actual transition time is defined as the time required for the input to change from 10% to 90% or from 90% to 10% of the programmed excursion. In c ...

  • Agilent Technologies 5951-2826 - page 29

    Operation Overview 29 Short On/Off A load can simulate a short circuit at its input by turning the load on with full-scale current. The short circuit can be toggled on/off at the front panel ( key) or via the GPIB ( INPUT:SHORT ON|OFF command). The short on/off change uses the slew rate setting of the active mode and range. Figure 2-8. Transition T ...

  • Agilent Technologies 5951-2826 - page 30

    30 Operation Overview Input On/Off A load’s input can be toggled on/off at the front panel ( key) or via the GPIB (INPUT ON|OFF command). The input on/off change does not use the slew rate setting so the input will change at the maximum slew rate. Turning the input off (zero current) does not affect the programmed settings. The input will return ...

  • Agilent Technologies 5951-2826 - page 31

    Operation Overview 31 Protection Features The Electronic Load includes the following protection features: • Overvoltage • Overcurrent (hardware and software) • Overpower (hardware and software) • Overtemperature • Reverse Voltage The appropriate bits in the status registers are set when any of the above protection features are active. Als ...

  • Agilent Technologies 5951-2826 - page 32

    32 Operation Overview If the software overcurrent limit is exceeded and persists beyond the specified delay time, the input is turned off. Also, for these conditions, the OC and PS (protection shutdown) status register bits are set and will remain set until the OC condition is removed and the bits are reset as previously described. Overpower Nomina ...

  • Agilent Technologies 5951-2826 - page 33

    Operation Overview 33 Monitor Outputs The IMON and VMON output signals indicate the input current and voltage. A 0-to-10V signal at the appropriate output indicates the zero-to-full scale input current or voltage. An external DVM or oscilloscope can be connected to monitor the input voltage and current. External Programming Input CC and CV modes ca ...

  • Agilent Technologies 5951-2826 - page 34

    34 Operation Overview Port On/Off Port is a general purpose output port that can be used to control an external device such as a relay for power supply test purposes. The output is toggled on and off via the GPIB ( PORT0 ON | OFF command). It cannot be controlled from the front panel. The Port output signal is a TTL compatible signal that becomes a ...

  • Agilent Technologies 5951-2826 - page 35

    Installation 35 3 Installation Introduction This chapter discusses how to install and make connections to the rear panel of your Electronic Load. A turn-on checkout procedure as well as application considerations for specific operating modes are also discussed. Inspection When you receive your Electronic Load, inspect it for any obvious damage that ...

  • Agilent Technologies 5951-2826 - page 36

    36 Installation Location and Cooling Table 1-1 gives the dimensions of the Electronic Load. The cabinet has plastic feet that are shaped to ensure self-alignment when stacked with other Agilent System II cabinets. The feet may be removed for rack mounting. Your Electronic Load must be installed in a location that allows sufficient space at the side ...

  • Agilent Technologies 5951-2826 - page 37

    Installation 37 Line Voltage Fuse Agilent Part No. 100/120 Vac 0.5 AT 2110-0803 220/240 Vac 0.25 AT 2110-0817 7. Re-install fuse holder and connect the line cord. Figure 3-3. Voltage Select Switches Figure 3-4. Line Fuse ...

  • Agilent Technologies 5951-2826 - page 38

    38 Installation Connect The Power Cord Your Agilent Electronic Load was shipped with a power cord for the type of outlet used at your location. Connect the power cord to the ac input socket. SHOCK HAZARD The power cord provides a chassis ground through a third conductor. Be certain that your power outlet is of the three-conductor type with the corr ...

  • Agilent Technologies 5951-2826 - page 39

    Installation 39 Power Test Note The following checkout assumes that the Electronic Load is set to the factory defaults listed in Table 4-6. Refer to Chapter 4 if you need to recall the factory default values. Use a power supply with the voltage set to 10 V and the current limit set to 10 A to check the input circuits. The settings of the power supp ...

  • Agilent Technologies 5951-2826 - page 40

    40 Installation Do not stack more than three connector blocks together on any GPIB connector. The resultant leverage can exert excessive force on the mounting panels. Make sure that all connectors are fully seated and that the lock screws are firmly hand- tightened. Use a screwdriver only for the removal of the screws. GPIB Address The GPIB address ...

  • Agilent Technologies 5951-2826 - page 41

    Installation 41 3. Hand tighten the adjustment knob to secure the wire in the binding post. If you are using a slotted screwdriver, tighten the knob to 8 in.-lbf for a secure connection. Installation for the optional front panel binding posts is the same as for the rear terminal binding posts. Do not use lubricants or contact cleaners on the bindin ...

  • Agilent Technologies 5951-2826 - page 42

    42 Installation +S and -S Used to connect the remote sense leads to the power source. Pin 1 connects the + S signal and pin 2 connects the - S signal. IM and VM (pins 3 and 4) Used to monitor the Electronic Load’s input current and voltage. A 0 V-to-10 V signal at the appropriate pin indicates the zero-to-full scale current or voltage. Pin 3 moni ...

  • Agilent Technologies 5951-2826 - page 43

    Installation 43 Trigger Connector A four-pin connector block (TB201) connector and a quick-disconnect mating plug (RTB2) are provided for input and output trigger signals (see Figure 3-10). Consistent with good engineering practice, all leads connected to the trigger connector should be twisted and shielded to maintain the instrument’s specified ...

  • Agilent Technologies 5951-2826 - page 44

    44 Installation Application Connections Wiring Considerations FIRE HAZARD To satisfy safety requirements, load wires must be heavy enough not to overheat while carrying the short-circuit output current of the device connected to the Electronic Load. Refer to Table 3-1 for the ampere capacity of various stranded wire sizes. Input connections are mad ...

  • Agilent Technologies 5951-2826 - page 45

    Installation 45 Parallel Connections Figure 3-13 illustrates how Electronic Loads can be paralleled for increased power dissipation. Up to six Electronic Loads can be directly paralleled in CC or CR mode. Units cannot be paralleled in CV mode. Each Electronic Load will dissipate the power it has been programmed for. For example, if two Electronic L ...

  • Agilent Technologies 5951-2826 - page 46

    46 Installation Figure 3-11. Local Sensing Figure 3-12. Remote Sensing ...

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    Installation 47 Figure 3-13. Parallel Operation Figure 3-14. Zero-Volt Loading ...

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  • Agilent Technologies 5951-2826 - page 49

    Local Operation 49 4 Local Operation Introduction The “Operation Overview” chapter introduced you to the Electronic Load's features and capabilities and briefly described how to control the unit locally from the front panel and remotely with a computer via the GPIB. This chapter describes in greater detail how to operate the Electronic Loa ...

  • Agilent Technologies 5951-2826 - page 50

    50 Local Operation Table 4-1. Controls and Indicators (continued) Item Description 3 Electronic Load Status Annunicators CC -Indicates the Electronic Load is in the constant current (CC) mode. Note that Figure 4-1 shows the Electronic Load is in the CC mode (CC annunciator is on). CR -Indicates the Electronic Load is in the constant resistance (CR) ...

  • Agilent Technologies 5951-2826 - page 51

    Local Operation 51 Table 4-1. Controls and Indicators (continued) Item Description 6 FUNCTION Keys - Returns the display to the metering function selected, the display will show the measured input voltage and current, the computed input power, or certain status conditions (e.g. INPUT SHORT ON, OC, etc.). Press the Meter key to continually step thro ...

  • Agilent Technologies 5951-2826 - page 52

    52 Local Operation Table 4-1. Controls and Indicators (continued) Item Description 6 FUNCTION Keys (continued) - Displays the resistance setting. (e.g. RES 1000). This setting can be changed using the ENTRY keys. The RES key also selects the CR mode (MODE RES) in conjunction with the MODE and Enter keys. - Displays the voltage setting (e.g. VOLT 5. ...

  • Agilent Technologies 5951-2826 - page 53

    Local Operation 53 • "INPUT OFF" (if active) • "SHORT ON" • Volts/Amps input metering, for example, "9.99 0.99" • Computed power value, for example "9.9 WATTS" • Protection Features (if any are active): "VF"-voltage fault "OV"-overvoltage "RV"-reverse voltage "PS&q ...

  • Agilent Technologies 5951-2826 - page 54

    54 Local Operation Note The CC, CR, and CV values described in subsequent paragraphs can be programmed whether or not the associated mode is active. When a mode is selected, all of the associated values will take effect at the input provided that the input is turned on. Figure 4-2. Recommended Programming Sequence ...

  • Agilent Technologies 5951-2826 - page 55

    Local Operation 55 Setting the Mode of Operation The present (active) mode of operation is indicated by the appropriate annunciator being on (e.g. CC ). The active mode can also be viewed on the display by pressing . For example, "MODE CURR" indicates that the CC mode is active. You can change the mode to CR or CV by pressing the applicab ...

  • Agilent Technologies 5951-2826 - page 56

    56 Local Operation Changing the programming range can cause the present CC settings (main level, transient level, and slew rate) to be automatically adjusted to fit within the new range. For example, assume that you are programming the Agilent 6060B 300 Watt Electronic Load, the present range is 0 to 60A "C:RNG 60.000", and the present CC ...

  • Agilent Technologies 5951-2826 - page 57

    Local Operation 57 b. Press again and note that the display indicates "C:TLV 1.0000". Note that you can use the Input ENTRY keys to increment and decrement the transient current level. Operation is similar to that described above for the main current level. Setting CR Values The CR values are programmed by pressing the applicable FUNCTION ...

  • Agilent Technologies 5951-2826 - page 58

    58 Local Operation "RES 50.000" - main level is 50 ohms "R:TLV 40.000" - transient level is 40 ohms "C:SLW.50000" - slew rate is 0.5 A/ µ s (1 to 1 k ohms range uses the CC slew rate setting). If you now select the low range (R:RNG 1.0000), the settings will automatically be changed to fit into the new range as follow ...

  • Agilent Technologies 5951-2826 - page 59

    Local Operation 59 4. Set Transient Level-The transient resistance level "R:TLV" is meaningful only if transient operation (described later) is turned on. a. Set the transient level to 0.8 ohm by pressing . Remember that in the low range the transient level must be set higher than the main level. b. Press again and note that the display i ...

  • Agilent Technologies 5951-2826 - page 60

    60 Local Operation Note that you can use the ENTRY keys to increment ( ) or decrement ( ) the main VOLT level setting. You can see the VOLT setting being incremented or decremented one step at a time each time you press the applicable Input key. The values are entered automatically. (You don’t press the Enter key.) Remember if the CV mode is acti ...

  • Agilent Technologies 5951-2826 - page 61

    Local Operation 61 a. Set the main CC level to 0.5 amps, the transient CC level to 1 amp, and the slew rate to 0. 0025 A/ µ s. See examples under Setting CC Values . b. Turn on CC mode by pressing: 2. Set frequency to 5 kHz by pressing: 3. Set duty cycle to 25% by pressing: (blue shift key) (shifted) 4. Turn on transient operation by pressing: 5. ...

  • Agilent Technologies 5951-2826 - page 62

    62 Local Operation Setting The Electronic Load’s GPIB Address Before you can program the Electronic Load remotely via a GPIB computer, you must know its GPIB address. You can find this out by pressing . The Electronic Load’s GPIB address will be displayed; for example "ADDRESS 5". The Electronic Load is shipped from the factory with i ...

  • Agilent Technologies 5951-2826 - page 63

    Local Operation 63 Table 4-6. Factory Default Settings Function Setting 6060B 6063B Input on/off on on Short on/off off off CURR level 0 A 0 A CURR transient level 0 A 0 A CURR slew rate 1 A/ µ s 0.83 A/ µ s CURR range 60 A 10 A *CURR protection level 61.2 A 10.2 A *CURR protection delay 15 s 15 s *CURR protection on/off off off VOLT level 60 V 2 ...

  • Agilent Technologies 5951-2826 - page 64

    64 Local Operation Recalling the Factory Default Values You can recall the factory default values (see Table 4-6) for all modules by pressing: . As soon as the Enter key is pressed, the Electronic Load will be set to its factory default values. Note that the Electronic Load is also set to the factory default values when the *RST common command is s ...

  • Agilent Technologies 5951-2826 - page 65

    Remote Operation 65 5 Remote Operation Introduction Chapter 4 - Local Operation described how to program the Electronic Load manually using the front panel keys. This chapter describes the fundamentals of programming the Electronic Load remotely from a GPIB controller The similarities between local and remote programming will become apparent as you ...

  • Agilent Technologies 5951-2826 - page 66

    66 Remote Operation Sending A Remote Command To send the Electronic Load a remote command, combine your computer’s output statement with the GPIB interface select code, the GPIB device (Electronic Load) address, and finally the Electronic Load’s HPSL command. For example, to set the input current of a previously specified channel to 10 amps, se ...

  • Agilent Technologies 5951-2826 - page 67

    Remote Operation 67 1. Modes The CC , CR , and CV values can be programmed whether or not the associated mode is active. If the input is turned on, all of the applicable values will take effect at the input when the associated mode is selected. 2. Ranges Changing the CC or CR programming range can cause the present settings to be automatically adju ...

  • Agilent Technologies 5951-2826 - page 68

    68 Remote Operation Figure 5-1. Remote Programming Flowchart (Sheet 1) ...

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    Remote Operation 69 Figure 5-1. Remote Programming Flowchart (Sheet 2) ...

  • Agilent Technologies 5951-2826 - page 70

    70 Remote Operation CC Mode Example This example sets the current level to 0.75 amps and then reads back the actual current value. 10 OUTPUT 705;"INPUT OFF" 20 OUTPUT 705;"MODE:CURR" 30 OUTPUT 705;"CURR:RANG 1" 40 OUTPUT 705;"CURR 0.75" 50 OUTPUT 705;"INPUT ON" 60 OUTPUT 705;"MEAS:CURR?" 7 ...

  • Agilent Technologies 5951-2826 - page 71

    Remote Operation 71 70 OUTPUT 705;”INPUT ON" 80 OUTPUT 705;”MEAS:POW?" 90 ENTER 705;A 100 DISP A 110 END Line 10: Turns off Electronic Load input. Line 20: Selects the CR mode. Line 30: Sets the current protection limit to 2 A with a trip delay of 5 seconds. Line 40: Enables the current protection feature. Line 50: Selects the middle ...

  • Agilent Technologies 5951-2826 - page 72

    72 Remote Operation 80 OUTPUT 705;"TRAN ON 90 OUTPUT 705;"INPUT ON" . . . . 200 OUTPUT 705;"*TRG" 210 END Line 10: Turns off Electronic Load input. Line 20: Selects the CR mode. Line 30: Selects the main resistance level to 10 ohms. Line 40: Sets the transient resistance level to 5 ohms. Remember in the 1 to 1k range, the t ...

  • Agilent Technologies 5951-2826 - page 73

    Remote Operation 73 Table 5-1. Remote Programming Ranges (continued) Function HPSL Command (Short Form) Range of Values Constant Resistance (CR) Set Range "RES:RANG value" 6060B 6063B Low Range ≥ 0 or ≤ 1 Ω≥ 0 and ≤ 24 Ω Middle Range >1 Ω and ≤ k Ω≤ 24 Ω and ≤ 24 k Ω High Range >1 k Ω and ≤ k Ω >24 ...

  • Agilent Technologies 5951-2826 - page 74

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  • Agilent Technologies 5951-2826 - page 75

    Calibration 75 6 Calibration Introduction This chapter describes the calibration procedures for the Electronic Load and gives a sample calibration program. The Electronic Load should be calibrated annually, or whenever certain repairs are made (refer to the Service Manual). Calibration is accomplished entirely in software by sending calibration con ...

  • Agilent Technologies 5951-2826 - page 76

    76 Calibration Figure 6-1. Calibration Equipment Setup Calibration Commands The following calibration commands are required to calibrate the Electronic Load. They are used in the program examples included in this section. Refer to the Agilent Electronic Loads Programming Reference Guide for HPSL commands. CAL ibration :[MODE] ON|OFF| Turns the cali ...

  • Agilent Technologies 5951-2826 - page 77

    Calibration 77 CAL ibration: SAVE Writes the present calibration constants into the EEPROM. This command does not have to be sent until all ranges and modes have been calibrated. If the unit is turned off before CAL:SAVE is sent, the new calibration constants are lost Calibration Flowcharts The flowchart in Figures 6-2 describes the calibration pro ...

  • Agilent Technologies 5951-2826 - page 78

    78 Calibration Table 6-2. Calibration Information 6060B 6063B Ranges and Calibration Points Variables Variable Values Power Supply Settings Current Shunt Variable Values Power Supply Settings Current Shunt High Current Range Hi_curr_rng 60 5 V/61 A 100 A 10 25 V/10.5 A 15 A High Current Offset Hi_curr_offset 0.0282 0.0048 Low Current Range Lo_curr_ ...

  • Agilent Technologies 5951-2826 - page 79

    Calibration 79 Figure 6-2. Calibration Flowchart ...

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    80 Calibration Figure 6-2. Calibration Flowchart (continued) ...

  • Agilent Technologies 5951-2826 - page 81

    Calibration 81 Figure 6-2. Calibration Flowchart (continued) ...

  • Agilent Technologies 5951-2826 - page 82

    82 Calibration Program Listing 10 ASSIGN @Ld TO 705 20 Chan=l 30 OUTPUT @Ld;”CHAN”;Chan;”;CAL ON" 40 Cal_curr(@Ld,Chan,Hi_curr_rng,Hi_curr_offset,l) 50 Cal_curr(@Ld,Chan,Lo_curr_rng,Lo_curr_offset,0) 60 Cal_volt(@Ld,Chan,Volt_hipt,Volt_lopt) 70 Cal_res(@Ld,Chan,Lo_res_rng,Lo_res_hipt,Lo_res_lopt,0) 80 Cal_res(@Ld,Chan,Mid_res_rng,Mid_res ...

  • Agilent Technologies 5951-2826 - page 83

    Calibration 83 Program Listing (continued) 520 OUTPUT @Ld;"*TRG" 530 IF Flag THEN WAIT 30 540 INPUT "Enter current through shunt for high point in amps",Trpt_curr 550 OUTPUT @Ld;"CAL:TLEV";Trpt_curr 560 OUTPUT @Ld;"TRAN OFF" 570 PRINT "Test unit to verify that transient values are in spec" 580 PRINT ...

  • Agilent Technologies 5951-2826 - page 84

    84 Calibration Program Listing (continued) 1030 ! 1040 SUB Cal_res(@Ld,Chan,Res_rng,Res_hipt,Res_lopt,Flag) 1050 PRINT "RESISTANCE CALIBRATION, RANGE";Res_rng 1060 PRINT "Set power supply to calibration information table" 1070 PRINT "Press CONT when ready to continue" 1080 PAUSE 1090 OUTPUT @Ld;"CHAN";Chan 11 ...

  • Agilent Technologies 5951-2826 - page 85

    Calibration 85 Explanation LINE 10-20 Specify select code, address, and channel (default 705, 1) LINE 30 Turn calibration mode on LINE 40-90 Assign variables for subprograms (see module calibration tables) LINE 100 Store new constants in EEROM when calibration complete LINE 110 Turn calibration mode off LINE 140 Current calibration subroutine LINE ...

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  • Agilent Technologies 5951-2826 - page 87

    Considerations For Operating In Constant Resistance Mode 87 A Considerations For Operating In Constant Resistance Mode The Agilent Electronic Loads implement Constant Resistance. (CR) mode by using either the CV circuits or CC circuits to regulate the input. The low range is regulated with the CV circuits, using the input current monitor as the ref ...

  • Agilent Technologies 5951-2826 - page 88

    88 Considerations For Operating In Constant Resistance Mode If large resistances are required, the accuracy can be improved by reading the voltage and current directly from the load, calculating the actual resistance, and then adjusting the programmed value accordingly. This technique is most practical in applications requiring a fixed resistive lo ...

  • Agilent Technologies 5951-2826 - page 89

    Index 89 INDEX A aliases .......................................................................................................................................................................... 21 ampere-capacity ................................................................................................................ ...................... ...

  • Agilent Technologies 5951-2826 - page 90

    90 Index INDEX (continued) G GPIB address ................................................................................................................................................... 42, 64, 67 GPIB connector ................................................................................................................. .................... ...

  • Agilent Technologies 5951-2826 - page 91

    Index 91 INDEX (continued) O output statement ............................................................................................................... ............................................ 67 overcurrent .................................................................................................................................... ...

  • Agilent Technologies 5951-2826 - page 92

    92 Index INDEX (continued) software current limit ......................................................................................................... .......................................... 33 status reporting ............................................................................................................... ................... ...

  • Agilent Technologies 5951-2826 - page 93

    Agilent Sales and Support Office 93 Agilent Sales and Support Offices For more information about Agilent Technologies test and measurement products, applications, services, and for a current sales office listing, visit our web site: http://www.agilent.com/find/tmdir You can also contact one of the following centers and ask for a test and measuremen ...

  • Agilent Technologies 5951-2826 - page 94

    Manual Updates The following updates have been made to this manual since the print revision indicated on the title page. 4/15/00 All references to HP have been changed to Agilent. All references to HP-IB have been changed to GPIB. ...

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Documents that we receive from a manufacturer of a Agilent Technologies 5951-2826 can be divided into several groups. They are, among others:
- Agilent Technologies technical drawings
- 5951-2826 manuals
- Agilent Technologies product data sheets
- information booklets
- or energy labels Agilent Technologies 5951-2826
All of them are important, but the most important information from the point of view of use of the device are in the user manual Agilent Technologies 5951-2826.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Agilent Technologies 5951-2826, service manual, brief instructions and user manuals Agilent Technologies 5951-2826. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Agilent Technologies 5951-2826.

A complete manual for the device Agilent Technologies 5951-2826, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Agilent Technologies 5951-2826 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Agilent Technologies 5951-2826.

A complete Agilent Technologies manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Agilent Technologies 5951-2826 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Agilent Technologies 5951-2826, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Agilent Technologies 5951-2826, that we can find in the current document
3. Tips how to use the basic functions of the device Agilent Technologies 5951-2826 - which should help us in our first steps of using Agilent Technologies 5951-2826
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Agilent Technologies 5951-2826
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Agilent Technologies 5951-2826 in a specific country, if it was not possible to solve the problem on our own.

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